Bump actions/labeler from 3 to 4

Bumps [actions/labeler](https://github.com/actions/labeler) from 3 to 4.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](actions/labeler@v3...v4)

---
updated-dependencies:
- dependency-name: actions/labeler
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/pr-target.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/labeler@v3
+      - uses: actions/labeler@v4
         with:
           configuration-path: .github/labeler-pr-triage.yml
           repo-token: ${{ secrets.GITHUB_TOKEN }}